461086861 has 16 divisors (see below), whose sum is σ = 484843968. Its totient is φ = 438076800.

The previous prime is 461086853. The next prime is 461086883. The reversal of 461086861 is 168680164.

It is not a de Polignac number, because 461086861 - 2³ = 461086853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461086811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266746 + ... + 268468.

It is an arithmetic number, because the mean of its divisors is an integer number (30302748).

Almost surely, 2^461086861 is an apocalyptic number.

461086861 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

461086861 is a deficient number, since it is larger than the sum of its proper divisors (23757107).

461086861 is a wasteful number, since it uses less digits than its factorization.

461086861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 461086861 is about 21472.9332183565. The cubic root of 461086861 is about 772.5517529381.

The spelling of 461086861 in words is "four hundred sixty-one million, eighty-six thousand, eight hundred sixty-one".